Sodium


Say What?
“soda” means “headache remedy”. Its element symbol comes from the Latin word, natrium, which stands sodium carbonate


What is sodium?

-Sodium was first isolated by Sir Humphry Davy in England
-Sodium is never uncombined in nature
-Sodium has the atomic number of 11 and the mass of 22.9898 g/mol
-Sodium is in the group, 1A, which is all of the alkali metals
-Sodium is really common. It is the 6th most abundant element on earth
-It is silvery white and is a highly reactive element
-There are 18 isotopes of sodium, and all of them are radioactive
-Melting point: 370.95 K (208.04°F)
-Boiling point: 1156 K (1621°F)
-Sodium is mostly found as sodium chloride (table salt), and sometimes found as sodium carbonate and sodium sulfate
-Sodium is solid at room temperature


Cost?

-Metallic sodium is 15-20 cents/lb. It is the cheapest of all elements


What are its uses?

-Sodium vapor is in streetlights and produces the yellow light
-table salt (NaCl)
-baking soda (NaHCO3)
-Chile saltpeter (NaNO3)

What does it look like?
sodium.jpg

Jing Screencast:

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Bibliography
Compton's S-Sous. N.p.: n.p., n.d.
Corrosion Science. 16 Nov. 2008 <http://www.corrosionsource.com/handbook/
periodic/11.htm>.
General Chemistry Online! 16 Nov. 2008 <http://antoine.frostburg.edu/chem/
senese/101/history/faq/sodium-discovery.shtml>.
Jefferson Lab. 16 Nov. 2008 <http://education.jlab.org/itselemental/
ele011.html>.
Jefferson Lab. 16 Nov. 2008 <http://education.jlab.org/qa/
sodiumisotopes_01.html>.
Study World. 16 Nov. 2008 <http://www.studyworld.com/newsite/ReportEssay/
Science/Physical%5CSodium.htm>.